| Date | IP Address |
| 2020-05-08 | 192.185.113.204 (ClassC) |
| 2025-03-20 | 13.248.169.48 (ClassC) |
| 2026-02-26 | 76.223.54.146 (ClassC) |
| Date | Domain | IP |
| cpanel.prontophone.com | 2025-07-16 | 13.248.169.48 |
| cpcalendars.prontophone.com | 2025-03-20 | 13.248.169.48 |
| cpcontacts.prontophone.com | 2025-04-05 | 76.223.54.146 |